21. A certain inverting amplifier has a closed loop voltage gain of 25. The OP-amp has an open-loop voltage gain of 100,000. If an OP-amp with an open-loop voltage gain of 200,000 is substituted in the arrangement, the closed-loop gain ……….
(a)doubles (b)drops to 12.5 (c)remains at 25 (d)increases slightly
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Operational Amplifier » Exercise - 113. Of the values listed, the most realistic value for open-loop voltage gain of an OP-amp is ...... (a) 1 (b) 2000 (c) 80 dB (d) 100,000
555555555576. A certain op-amp has an open-loop voltage gain of 150,000. What is this gain expressed in dB? (a) 51.7 dB (b) 103.5 dB (c) 150,000 dB (d) 5.18 dB
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